/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.07.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:05:00,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:05:00,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:05:00,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:05:00,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:05:00,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:05:00,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:05:00,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:05:00,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:05:00,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:05:00,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:05:00,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:05:00,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:05:00,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:05:00,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:05:00,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:05:00,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:05:00,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:05:00,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:05:00,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:05:00,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:05:00,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:05:00,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:05:00,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:05:00,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:05:00,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:05:00,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:05:00,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:05:00,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:05:00,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:05:00,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:05:00,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:05:00,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:05:00,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:05:00,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:05:00,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:05:00,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:05:00,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:05:00,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:05:00,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:05:00,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:05:00,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 21:05:00,955 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:05:00,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:05:00,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:05:00,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:05:00,957 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:05:00,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:05:00,958 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:05:00,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:05:00,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:05:00,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:05:00,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:05:00,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:05:00,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:05:00,959 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:05:00,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:05:00,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:05:00,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:05:00,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:05:00,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:05:00,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:05:00,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:05:00,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:05:00,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:05:00,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:05:00,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:05:00,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:05:00,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:05:00,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:05:00,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:05:00,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:05:01,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:05:01,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:05:01,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:05:01,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:05:01,267 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:05:01,268 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.07.cil-2.c [2020-10-12 21:05:01,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/acfb6ceb5/9b2c7f5e972743fc8b86aaca43e08ccf/FLAGe6a5b70d4 [2020-10-12 21:05:01,813 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:05:01,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.07.cil-2.c [2020-10-12 21:05:01,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/acfb6ceb5/9b2c7f5e972743fc8b86aaca43e08ccf/FLAGe6a5b70d4 [2020-10-12 21:05:02,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/acfb6ceb5/9b2c7f5e972743fc8b86aaca43e08ccf [2020-10-12 21:05:02,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:05:02,172 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:05:02,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:05:02,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:05:02,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:05:02,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fd4afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02, skipping insertion in model container [2020-10-12 21:05:02,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:05:02,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:05:02,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:05:02,555 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:05:02,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:05:02,744 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:05:02,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02 WrapperNode [2020-10-12 21:05:02,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:05:02,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:05:02,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:05:02,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:05:02,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (1/1) ... [2020-10-12 21:05:02,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:05:02,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:05:02,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:05:02,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:05:02,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:05:02,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:05:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:05:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:05:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:05:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:05:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:05:02,884 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:05:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:05:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:05:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:05:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:05:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:05:02,885 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:05:02,886 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:05:02,886 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:05:02,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:05:02,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:05:02,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:05:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:05:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:05:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:05:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:05:02,889 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:05:02,889 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:05:02,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:05:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:05:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:05:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:05:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:05:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:05:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:05:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:05:02,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:05:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:05:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:05:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:05:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:05:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:05:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:05:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:05:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:05:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:05:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:05:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:05:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:05:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:05:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:05:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:05:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:05:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:05:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:05:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:05:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:05:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:05:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:05:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:05:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:05:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:05:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:05:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:05:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:05:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:05:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:05:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:05:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:05:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:05:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:05:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:05:03,730 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:05:03,730 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 21:05:03,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:05:03 BoogieIcfgContainer [2020-10-12 21:05:03,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:05:03,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:05:03,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:05:03,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:05:03,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:05:02" (1/3) ... [2020-10-12 21:05:03,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b16e193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:05:03, skipping insertion in model container [2020-10-12 21:05:03,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:05:02" (2/3) ... [2020-10-12 21:05:03,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b16e193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:05:03, skipping insertion in model container [2020-10-12 21:05:03,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:05:03" (3/3) ... [2020-10-12 21:05:03,750 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.07.cil-2.c [2020-10-12 21:05:03,761 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:05:03,769 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:05:03,783 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:05:03,810 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:05:03,810 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:05:03,810 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:05:03,810 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:05:03,811 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:05:03,811 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:05:03,811 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:05:03,811 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:05:03,836 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-10-12 21:05:03,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 21:05:03,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:03,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:03,855 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:03,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:03,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1594010658, now seen corresponding path program 1 times [2020-10-12 21:05:03,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:03,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888621412] [2020-10-12 21:05:03,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:04,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:04,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:04,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:04,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:05,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:06,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:08,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:08,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 21:05:09,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:05:09,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 21:05:09,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:09,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:09,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:05:09,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:05:09,488 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:05:09,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:09,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:05:09,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:09,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:09,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:09,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:09,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:09,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:09,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:09,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:09,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:05:09,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:09,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:05:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:09,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-12 21:05:09,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:05:09,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:05:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:05:10,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:05:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-12 21:05:10,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:05:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:10,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:10,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:10,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:10,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:10,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:10,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:10,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:10,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:10,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:10,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:10,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:10,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:10,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:10,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:10,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:10,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:10,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:10,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:10,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:10,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:10,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:10,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:10,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:05:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:10,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:10,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:10,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:05:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:10,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:05:10,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:05:10,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:10,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:05:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:10,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:10,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:10,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:10,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:10,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:05:10,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888621412] [2020-10-12 21:05:10,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:10,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:05:10,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280392017] [2020-10-12 21:05:10,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:05:10,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:10,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:05:10,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:05:10,335 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 13 states. [2020-10-12 21:05:10,545 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:05:11,638 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:05:11,783 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 21:05:11,926 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:05:12,178 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:05:16,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:16,910 INFO L93 Difference]: Finished difference Result 863 states and 1419 transitions. [2020-10-12 21:05:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:05:16,912 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 162 [2020-10-12 21:05:16,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:16,955 INFO L225 Difference]: With dead ends: 863 [2020-10-12 21:05:16,955 INFO L226 Difference]: Without dead ends: 545 [2020-10-12 21:05:16,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:05:16,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-10-12 21:05:17,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 327. [2020-10-12 21:05:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-10-12 21:05:17,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 467 transitions. [2020-10-12 21:05:17,118 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 467 transitions. Word has length 162 [2020-10-12 21:05:17,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:17,119 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 467 transitions. [2020-10-12 21:05:17,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:05:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 467 transitions. [2020-10-12 21:05:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 21:05:17,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:17,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:17,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:05:17,125 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:17,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:17,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1451711580, now seen corresponding path program 1 times [2020-10-12 21:05:17,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:17,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395622985] [2020-10-12 21:05:17,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:17,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:17,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 21:05:22,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:05:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 21:05:22,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:22,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:22,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 21:05:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:22,385 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:05:22,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:22,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:05:22,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:22,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:22,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:22,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:22,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:22,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:22,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:22,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:22,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:22,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:05:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:22,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 21:05:22,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:05:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:05:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:05:22,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:22,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-12 21:05:22,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-12 21:05:22,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:22,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:22,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:05:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:22,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:05:22,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:22,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:05:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:22,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:22,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:05:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:22,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:05:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:22,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:22,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:22,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:22,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:22,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:22,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:22,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:22,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:22,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:05:22,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395622985] [2020-10-12 21:05:22,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:22,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:05:22,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336822417] [2020-10-12 21:05:22,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:05:22,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:22,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:05:22,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:05:22,905 INFO L87 Difference]: Start difference. First operand 327 states and 467 transitions. Second operand 13 states. [2020-10-12 21:05:23,035 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:05:24,658 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:05:24,823 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 21:05:25,056 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:05:25,289 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:05:27,661 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:05:27,801 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:05:28,027 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:05:28,240 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:05:30,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:30,270 INFO L93 Difference]: Finished difference Result 963 states and 1462 transitions. [2020-10-12 21:05:30,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:05:30,272 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 162 [2020-10-12 21:05:30,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:30,279 INFO L225 Difference]: With dead ends: 963 [2020-10-12 21:05:30,279 INFO L226 Difference]: Without dead ends: 661 [2020-10-12 21:05:30,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:05:30,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-10-12 21:05:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 428. [2020-10-12 21:05:30,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-10-12 21:05:30,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 587 transitions. [2020-10-12 21:05:30,353 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 587 transitions. Word has length 162 [2020-10-12 21:05:30,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:30,354 INFO L479 AbstractCegarLoop]: Abstraction has 428 states and 587 transitions. [2020-10-12 21:05:30,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:05:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 587 transitions. [2020-10-12 21:05:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 21:05:30,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:30,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:30,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:05:30,358 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:30,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:30,359 INFO L82 PathProgramCache]: Analyzing trace with hash -892277017, now seen corresponding path program 1 times [2020-10-12 21:05:30,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:30,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457996333] [2020-10-12 21:05:30,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:30,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:30,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:30,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:30,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:30,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:30,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:34,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:34,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 21:05:35,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:05:35,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:05:35,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:05:35,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:35,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-12 21:05:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:35,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:05:35,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:35,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:35,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:35,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:35,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:35,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:35,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:35,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:35,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:35,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:35,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:35,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:35,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:05:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:35,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:05:35,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:35,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:05:35,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:05:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:05:35,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:35,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 21:05:35,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:35,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:05:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:35,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:35,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:35,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:35,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:35,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:35,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:35,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:35,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:35,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:35,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 21:05:35,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:35,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:35,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:35,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:35,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:35,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:35,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:35,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:35,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:35,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:35,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:35,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:35,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:35,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:35,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:05:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:35,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:35,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:35,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:35,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:35,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:35,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:35,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:36,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:05:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:36,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:36,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:36,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:36,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:36,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:05:36,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:36,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:36,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:36,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:05:36,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:36,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:05:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:36,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:36,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:36,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:36,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:36,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:36,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:05:36,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457996333] [2020-10-12 21:05:36,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:36,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:05:36,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605002251] [2020-10-12 21:05:36,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:05:36,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:36,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:05:36,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:05:36,104 INFO L87 Difference]: Start difference. First operand 428 states and 587 transitions. Second operand 14 states. [2020-10-12 21:05:36,260 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:05:37,555 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:05:37,689 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 21:05:37,834 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 21:05:38,050 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 21:05:41,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:41,987 INFO L93 Difference]: Finished difference Result 1080 states and 1590 transitions. [2020-10-12 21:05:41,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:05:41,988 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 162 [2020-10-12 21:05:41,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:41,997 INFO L225 Difference]: With dead ends: 1080 [2020-10-12 21:05:41,997 INFO L226 Difference]: Without dead ends: 677 [2020-10-12 21:05:41,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:05:42,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2020-10-12 21:05:42,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 433. [2020-10-12 21:05:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-10-12 21:05:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 588 transitions. [2020-10-12 21:05:42,066 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 588 transitions. Word has length 162 [2020-10-12 21:05:42,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:42,067 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 588 transitions. [2020-10-12 21:05:42,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:05:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 588 transitions. [2020-10-12 21:05:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 21:05:42,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:42,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:42,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:05:42,071 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:42,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1591334123, now seen corresponding path program 1 times [2020-10-12 21:05:42,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:42,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658114616] [2020-10-12 21:05:42,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:42,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:42,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:46,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 21:05:47,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:05:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:05:47,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:47,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:05:47,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,308 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:05:47,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:47,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:05:47,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:47,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:47,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:47,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:47,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:47,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:47,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:47,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:47,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:47,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:47,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:47,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:05:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:47,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 21:05:47,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:05:47,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:05:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:05:47,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:05:47,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:05:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:47,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:47,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:47,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:47,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:47,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:47,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:47,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:47,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:05:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:05:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:47,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:05:47,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:05:47,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:47,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:05:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:47,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:47,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:47,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:47,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:47,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:47,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:47,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:05:47,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658114616] [2020-10-12 21:05:47,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:47,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:05:47,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401710166] [2020-10-12 21:05:47,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:05:47,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:47,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:05:47,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:05:47,756 INFO L87 Difference]: Start difference. First operand 433 states and 588 transitions. Second operand 9 states. [2020-10-12 21:05:47,972 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:05:52,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:52,241 INFO L93 Difference]: Finished difference Result 1072 states and 1528 transitions. [2020-10-12 21:05:52,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:05:52,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162 [2020-10-12 21:05:52,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:52,247 INFO L225 Difference]: With dead ends: 1072 [2020-10-12 21:05:52,247 INFO L226 Difference]: Without dead ends: 664 [2020-10-12 21:05:52,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:05:52,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-10-12 21:05:52,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 433. [2020-10-12 21:05:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-10-12 21:05:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 585 transitions. [2020-10-12 21:05:52,313 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 585 transitions. Word has length 162 [2020-10-12 21:05:52,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:52,313 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 585 transitions. [2020-10-12 21:05:52,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:05:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 585 transitions. [2020-10-12 21:05:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 21:05:52,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:52,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:52,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:05:52,316 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:52,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1755282261, now seen corresponding path program 1 times [2020-10-12 21:05:52,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:52,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754078906] [2020-10-12 21:05:52,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:52,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:52,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 21:05:57,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:05:57,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:05:57,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:05:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:57,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-12 21:05:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:57,481 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:05:57,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:57,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:05:57,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:57,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:57,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:57,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:57,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:57,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:05:57,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:57,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:57,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:05:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:57,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:05:57,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:05:57,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:05:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:05:57,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 21:05:57,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 21:05:57,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:57,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:57,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:57,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:05:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:57,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:05:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:57,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:05:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:57,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:57,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:57,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:05:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:57,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:05:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:57,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:57,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:57,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:05:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:05:57,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:05:57,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:05:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:05:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:57,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:57,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:57,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:57,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:57,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:05:57,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754078906] [2020-10-12 21:05:57,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:57,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:05:57,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467100054] [2020-10-12 21:05:57,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:05:57,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:57,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:05:57,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:05:57,924 INFO L87 Difference]: Start difference. First operand 433 states and 585 transitions. Second operand 9 states. [2020-10-12 21:05:58,110 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:06:00,451 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:06:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:02,469 INFO L93 Difference]: Finished difference Result 1293 states and 1889 transitions. [2020-10-12 21:06:02,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:06:02,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162 [2020-10-12 21:06:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:02,476 INFO L225 Difference]: With dead ends: 1293 [2020-10-12 21:06:02,477 INFO L226 Difference]: Without dead ends: 885 [2020-10-12 21:06:02,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:06:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2020-10-12 21:06:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 529. [2020-10-12 21:06:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-10-12 21:06:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 697 transitions. [2020-10-12 21:06:02,551 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 697 transitions. Word has length 162 [2020-10-12 21:06:02,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:02,551 INFO L479 AbstractCegarLoop]: Abstraction has 529 states and 697 transitions. [2020-10-12 21:06:02,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:06:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 697 transitions. [2020-10-12 21:06:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 21:06:02,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:02,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:02,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:06:02,554 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:02,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:02,554 INFO L82 PathProgramCache]: Analyzing trace with hash 167945773, now seen corresponding path program 1 times [2020-10-12 21:06:02,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:02,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4757494] [2020-10-12 21:06:02,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:02,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:02,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:03,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:05,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:06,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 21:06:07,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-12 21:06:07,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 21:06:07,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:07,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:07,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:06:07,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,761 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:06:07,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:07,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:06:07,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:07,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:07,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:07,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:07,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:07,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:07,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:07,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:07,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:07,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:07,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:07,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:06:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:07,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:06:07,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:06:07,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:07,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:06:07,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:07,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:06:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:06:08,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 21:06:08,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:06:08,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:08,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:08,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:08,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:08,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:08,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:08,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:08,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:08,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:08,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:08,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:08,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:08,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:08,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:08,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:08,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:08,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:08,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:08,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:08,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:06:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:08,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:06:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:06:08,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:08,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:06:08,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:06:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:08,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:08,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:08,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:08,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:08,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:08,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:08,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:06:08,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4757494] [2020-10-12 21:06:08,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:08,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:06:08,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105612556] [2020-10-12 21:06:08,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:06:08,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:08,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:06:08,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:06:08,117 INFO L87 Difference]: Start difference. First operand 529 states and 697 transitions. Second operand 9 states. [2020-10-12 21:06:08,242 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:06:11,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:11,395 INFO L93 Difference]: Finished difference Result 1293 states and 1783 transitions. [2020-10-12 21:06:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:06:11,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162 [2020-10-12 21:06:11,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:11,401 INFO L225 Difference]: With dead ends: 1293 [2020-10-12 21:06:11,402 INFO L226 Difference]: Without dead ends: 789 [2020-10-12 21:06:11,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:06:11,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-12 21:06:11,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 529. [2020-10-12 21:06:11,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-10-12 21:06:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 694 transitions. [2020-10-12 21:06:11,471 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 694 transitions. Word has length 162 [2020-10-12 21:06:11,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:11,471 INFO L479 AbstractCegarLoop]: Abstraction has 529 states and 694 transitions. [2020-10-12 21:06:11,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:06:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 694 transitions. [2020-10-12 21:06:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-12 21:06:11,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:11,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:11,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:06:11,474 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:11,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:11,475 INFO L82 PathProgramCache]: Analyzing trace with hash 531412271, now seen corresponding path program 1 times [2020-10-12 21:06:11,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:11,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185814048] [2020-10-12 21:06:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:11,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:11,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-12 21:06:16,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:06:16,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 21:06:16,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:06:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 21:06:16,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,668 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:06:16,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:16,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:06:16,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:16,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:16,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:16,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:16,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:16,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:16,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:16,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:16,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:16,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:16,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:06:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:06:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:06:16,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:06:16,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:06:16,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:06:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-12 21:06:16,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:06:16,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:06:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:06:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:06:16,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:06:16,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:06:16,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:06:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:16,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:16,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:06:17,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185814048] [2020-10-12 21:06:17,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:17,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 21:06:17,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579502876] [2020-10-12 21:06:17,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 21:06:17,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:17,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 21:06:17,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-12 21:06:17,017 INFO L87 Difference]: Start difference. First operand 529 states and 694 transitions. Second operand 8 states. [2020-10-12 21:06:17,142 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:06:19,710 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:06:25,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:25,887 INFO L93 Difference]: Finished difference Result 2750 states and 3900 transitions. [2020-10-12 21:06:25,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:06:25,888 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-10-12 21:06:25,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:25,904 INFO L225 Difference]: With dead ends: 2750 [2020-10-12 21:06:25,904 INFO L226 Difference]: Without dead ends: 2247 [2020-10-12 21:06:25,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:06:25,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2020-10-12 21:06:26,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 1615. [2020-10-12 21:06:26,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1615 states. [2020-10-12 21:06:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2162 transitions. [2020-10-12 21:06:26,209 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2162 transitions. Word has length 162 [2020-10-12 21:06:26,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:26,209 INFO L479 AbstractCegarLoop]: Abstraction has 1615 states and 2162 transitions. [2020-10-12 21:06:26,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 21:06:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2162 transitions. [2020-10-12 21:06:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:06:26,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:26,216 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:26,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:06:26,216 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:26,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:26,217 INFO L82 PathProgramCache]: Analyzing trace with hash -439272386, now seen corresponding path program 1 times [2020-10-12 21:06:26,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:26,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51666287] [2020-10-12 21:06:26,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:26,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:26,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:27,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:30,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:30,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:06:31,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 21:06:31,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:06:31,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:31,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-10-12 21:06:31,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,390 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:06:31,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:31,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:06:31,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:31,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:31,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:31,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:31,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:31,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:31,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:31,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:31,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:31,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:06:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:06:31,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:31,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:31,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:06:31,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:06:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:06:31,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:06:31,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-12 21:06:31,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:31,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:31,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:31,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:31,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:31,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:06:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:06:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:06:31,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:31,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:06:31,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:06:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:31,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:31,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:06:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:06:31,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:31,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 21:06:31,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:31,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:06:31,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:31,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:06:31,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 21:06:31,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:06:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:06:31,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:06:31,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:31,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:31,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:31,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:31,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:31,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:31,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:31,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:31,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:31,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:06:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:31,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:31,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:31,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:06:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:31,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:31,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:31,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:31,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:31,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:31,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:32,029 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-10-12 21:06:32,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51666287] [2020-10-12 21:06:32,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:32,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:06:32,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267131306] [2020-10-12 21:06:32,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:06:32,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:32,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:06:32,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:06:32,032 INFO L87 Difference]: Start difference. First operand 1615 states and 2162 transitions. Second operand 12 states. [2020-10-12 21:06:32,177 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:06:33,233 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:06:33,380 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 21:06:33,527 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:06:33,666 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 21:06:36,365 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 21:06:36,517 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 21:06:36,696 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 21:06:36,863 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 21:06:42,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:42,575 INFO L93 Difference]: Finished difference Result 6248 states and 8991 transitions. [2020-10-12 21:06:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:06:42,576 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 267 [2020-10-12 21:06:42,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:42,603 INFO L225 Difference]: With dead ends: 6248 [2020-10-12 21:06:42,604 INFO L226 Difference]: Without dead ends: 4659 [2020-10-12 21:06:42,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2020-10-12 21:06:42,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4659 states. [2020-10-12 21:06:43,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4659 to 3258. [2020-10-12 21:06:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3258 states. [2020-10-12 21:06:43,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 3258 states and 4363 transitions. [2020-10-12 21:06:43,157 INFO L78 Accepts]: Start accepts. Automaton has 3258 states and 4363 transitions. Word has length 267 [2020-10-12 21:06:43,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:43,158 INFO L479 AbstractCegarLoop]: Abstraction has 3258 states and 4363 transitions. [2020-10-12 21:06:43,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:06:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 3258 states and 4363 transitions. [2020-10-12 21:06:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:06:43,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:43,165 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:43,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:06:43,165 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:43,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:43,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1527025016, now seen corresponding path program 1 times [2020-10-12 21:06:43,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:43,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491138856] [2020-10-12 21:06:43,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:43,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:43,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:43,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:43,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:43,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:43,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:43,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:44,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:06:48,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:06:48,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:06:48,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:48,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:06:48,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 21:06:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,324 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:06:48,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:48,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:06:48,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:06:48,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:48,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:48,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:48,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:06:48,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:48,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:48,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:06:48,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:48,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:06:48,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:06:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:06:48,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:06:48,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:48,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:48,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:06:48,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:06:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:06:48,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 21:06:48,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:06:48,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:48,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:06:48,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:48,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:48,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:48,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:48,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:48,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:06:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:48,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:06:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:06:48,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:48,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:06:48,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:06:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:48,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:48,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:06:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:06:48,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 21:06:48,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 21:06:48,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:48,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:06:48,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 21:06:48,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 21:06:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:06:48,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 21:06:48,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:06:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:06:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:06:48,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:48,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:48,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:48,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:06:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:06:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:06:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:06:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:06:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:48,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:06:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:48,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:48,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:48,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:48,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:48,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:48,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-12 21:06:48,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491138856] [2020-10-12 21:06:48,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:06:48,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:06:48,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288416491] [2020-10-12 21:06:48,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:06:48,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:48,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:06:48,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:06:48,993 INFO L87 Difference]: Start difference. First operand 3258 states and 4363 transitions. Second operand 13 states. [2020-10-12 21:06:49,135 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:06:50,289 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 21:06:50,427 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 21:06:50,658 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 21:06:50,858 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:06:55,400 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-12 21:06:55,554 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-12 21:06:55,736 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 21:06:55,959 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:07:00,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:00,095 INFO L93 Difference]: Finished difference Result 12816 states and 18314 transitions. [2020-10-12 21:07:00,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 21:07:00,095 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 267 [2020-10-12 21:07:00,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:00,146 INFO L225 Difference]: With dead ends: 12816 [2020-10-12 21:07:00,147 INFO L226 Difference]: Without dead ends: 9583 [2020-10-12 21:07:00,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=298, Invalid=1108, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 21:07:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9583 states. [2020-10-12 21:07:01,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9583 to 6635. [2020-10-12 21:07:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6635 states. [2020-10-12 21:07:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6635 states to 6635 states and 8844 transitions. [2020-10-12 21:07:01,454 INFO L78 Accepts]: Start accepts. Automaton has 6635 states and 8844 transitions. Word has length 267 [2020-10-12 21:07:01,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:01,455 INFO L479 AbstractCegarLoop]: Abstraction has 6635 states and 8844 transitions. [2020-10-12 21:07:01,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:07:01,455 INFO L276 IsEmpty]: Start isEmpty. Operand 6635 states and 8844 transitions. [2020-10-12 21:07:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:07:01,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:01,470 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:01,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:07:01,471 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:01,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:01,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1207588663, now seen corresponding path program 1 times [2020-10-12 21:07:01,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:01,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534078497] [2020-10-12 21:07:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:01,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:01,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:01,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:01,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:01,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:01,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:01,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:01,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:02,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:07:06,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:07:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:07:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 21:07:06,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,625 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:07:06,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:06,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:06,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:06,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:06,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:06,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:06,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:06,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:06,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:06,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:07:06,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:06,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:07:06,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:07:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:06,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:07:06,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:07:06,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:07:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:06,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:07:06,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:07:06,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:06,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:06,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:06,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:06,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:06,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:07:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:06,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:06,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:07:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:06,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:06,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:06,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:07:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:07:06,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:07:06,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 21:07:06,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:07:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:07:06,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:06,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:06,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:06,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:06,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:06,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:06,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:06,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:06,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:07:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:06,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:06,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:06,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:06,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:06,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:06,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-10-12 21:07:07,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534078497] [2020-10-12 21:07:07,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:07,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:07:07,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014290312] [2020-10-12 21:07:07,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:07:07,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:07,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:07:07,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:07:07,021 INFO L87 Difference]: Start difference. First operand 6635 states and 8844 transitions. Second operand 10 states. [2020-10-12 21:07:07,158 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:07:11,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:11,532 INFO L93 Difference]: Finished difference Result 15679 states and 21460 transitions. [2020-10-12 21:07:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 21:07:11,532 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 267 [2020-10-12 21:07:11,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:11,577 INFO L225 Difference]: With dead ends: 15679 [2020-10-12 21:07:11,577 INFO L226 Difference]: Without dead ends: 9069 [2020-10-12 21:07:11,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-12 21:07:11,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9069 states. [2020-10-12 21:07:12,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9069 to 6635. [2020-10-12 21:07:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6635 states. [2020-10-12 21:07:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6635 states to 6635 states and 8802 transitions. [2020-10-12 21:07:12,605 INFO L78 Accepts]: Start accepts. Automaton has 6635 states and 8802 transitions. Word has length 267 [2020-10-12 21:07:12,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:12,605 INFO L479 AbstractCegarLoop]: Abstraction has 6635 states and 8802 transitions. [2020-10-12 21:07:12,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:07:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 6635 states and 8802 transitions. [2020-10-12 21:07:12,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:07:12,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:12,609 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:12,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:07:12,609 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:12,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:12,610 INFO L82 PathProgramCache]: Analyzing trace with hash 792473780, now seen corresponding path program 1 times [2020-10-12 21:07:12,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:12,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100389945] [2020-10-12 21:07:12,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:12,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:12,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:13,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:13,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:13,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:13,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:13,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:13,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:15,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:07:17,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 21:07:17,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:07:17,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 21:07:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,769 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:07:17,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:17,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:17,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:17,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:17,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:17,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:17,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:17,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:17,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:07:17,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:17,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:17,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:07:17,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:07:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:17,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:07:17,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:17,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:17,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:07:17,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:07:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:17,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:17,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:07:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:17,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:17,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:17,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:17,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:17,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:17,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:17,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:17,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:17,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:17,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:17,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:17,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:17,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:17,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:17,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:17,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:17,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:07:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:17,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:17,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:07:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:17,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:17,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:17,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:17,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:17,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:17,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:17,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:17,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:17,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:07:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:07:18,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:07:18,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 21:07:18,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:07:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:07:18,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:07:18,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:18,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:18,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:18,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:18,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:18,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:18,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:18,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:18,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:18,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:18,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:07:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:18,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:18,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:18,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:18,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:18,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:18,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:18,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:18,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-12 21:07:18,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100389945] [2020-10-12 21:07:18,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:18,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:07:18,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014700423] [2020-10-12 21:07:18,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:07:18,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:18,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:07:18,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:07:18,158 INFO L87 Difference]: Start difference. First operand 6635 states and 8802 transitions. Second operand 10 states. [2020-10-12 21:07:18,299 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:07:23,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:23,777 INFO L93 Difference]: Finished difference Result 17167 states and 24009 transitions. [2020-10-12 21:07:23,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:07:23,777 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 267 [2020-10-12 21:07:23,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:23,816 INFO L225 Difference]: With dead ends: 17167 [2020-10-12 21:07:23,817 INFO L226 Difference]: Without dead ends: 10557 [2020-10-12 21:07:23,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:07:23,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10557 states. [2020-10-12 21:07:25,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10557 to 7743. [2020-10-12 21:07:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7743 states. [2020-10-12 21:07:25,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7743 states to 7743 states and 10168 transitions. [2020-10-12 21:07:25,439 INFO L78 Accepts]: Start accepts. Automaton has 7743 states and 10168 transitions. Word has length 267 [2020-10-12 21:07:25,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:25,439 INFO L479 AbstractCegarLoop]: Abstraction has 7743 states and 10168 transitions. [2020-10-12 21:07:25,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:07:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 7743 states and 10168 transitions. [2020-10-12 21:07:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:07:25,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:25,444 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:25,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:07:25,445 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:25,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:25,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1752480759, now seen corresponding path program 1 times [2020-10-12 21:07:25,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:25,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079274455] [2020-10-12 21:07:25,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:25,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:25,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:27,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:07:30,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 21:07:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:07:30,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:30,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:07:30,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,587 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:07:30,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:30,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:30,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:30,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:30,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:30,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:30,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:30,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:30,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:07:30,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:30,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:07:30,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:07:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:30,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:07:30,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:30,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:30,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:07:30,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:07:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:30,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:30,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:07:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:30,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:07:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:30,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:30,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:07:30,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:30,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:30,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:30,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:07:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:07:30,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:07:30,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 21:07:30,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:07:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:07:30,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:30,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:30,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:07:30,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:30,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:07:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:30,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-12 21:07:30,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079274455] [2020-10-12 21:07:30,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:30,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:07:30,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918059349] [2020-10-12 21:07:30,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:07:30,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:30,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:07:30,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:07:30,999 INFO L87 Difference]: Start difference. First operand 7743 states and 10168 transitions. Second operand 10 states. [2020-10-12 21:07:31,131 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:07:33,814 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:07:37,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:37,044 INFO L93 Difference]: Finished difference Result 20201 states and 27631 transitions. [2020-10-12 21:07:37,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:07:37,045 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 267 [2020-10-12 21:07:37,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:37,085 INFO L225 Difference]: With dead ends: 20201 [2020-10-12 21:07:37,085 INFO L226 Difference]: Without dead ends: 12483 [2020-10-12 21:07:37,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:07:37,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12483 states. [2020-10-12 21:07:38,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12483 to 9091. [2020-10-12 21:07:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9091 states. [2020-10-12 21:07:38,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 12054 transitions. [2020-10-12 21:07:38,148 INFO L78 Accepts]: Start accepts. Automaton has 9091 states and 12054 transitions. Word has length 267 [2020-10-12 21:07:38,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:38,148 INFO L479 AbstractCegarLoop]: Abstraction has 9091 states and 12054 transitions. [2020-10-12 21:07:38,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:07:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 9091 states and 12054 transitions. [2020-10-12 21:07:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:07:38,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:38,154 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:38,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:07:38,154 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:38,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:38,154 INFO L82 PathProgramCache]: Analyzing trace with hash -740350667, now seen corresponding path program 1 times [2020-10-12 21:07:38,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:38,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391881899] [2020-10-12 21:07:38,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:38,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:38,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:39,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:07:43,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 21:07:43,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:07:43,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 21:07:43,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,311 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:07:43,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:43,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:43,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:43,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:43,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:43,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:43,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:43,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:43,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:43,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:43,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:07:43,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:43,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:07:43,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:07:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:43,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:07:43,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:43,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:43,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:07:43,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:07:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:43,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:43,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:07:43,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:07:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:43,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:07:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:07:43,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:07:43,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 21:07:43,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:07:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:07:43,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:43,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:43,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:43,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:43,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:07:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:43,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:43,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:43,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:43,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:43,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:43,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:43,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:43,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:43,681 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-12 21:07:43,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391881899] [2020-10-12 21:07:43,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:43,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:07:43,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928783920] [2020-10-12 21:07:43,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:07:43,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:43,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:07:43,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:07:43,683 INFO L87 Difference]: Start difference. First operand 9091 states and 12054 transitions. Second operand 10 states. [2020-10-12 21:07:43,826 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:07:49,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:07:49,641 INFO L93 Difference]: Finished difference Result 22068 states and 30811 transitions. [2020-10-12 21:07:49,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:07:49,642 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 267 [2020-10-12 21:07:49,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:07:49,673 INFO L225 Difference]: With dead ends: 22068 [2020-10-12 21:07:49,674 INFO L226 Difference]: Without dead ends: 13002 [2020-10-12 21:07:49,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:07:49,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13002 states. [2020-10-12 21:07:50,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13002 to 9643. [2020-10-12 21:07:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9643 states. [2020-10-12 21:07:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9643 states to 9643 states and 12598 transitions. [2020-10-12 21:07:50,738 INFO L78 Accepts]: Start accepts. Automaton has 9643 states and 12598 transitions. Word has length 267 [2020-10-12 21:07:50,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:07:50,739 INFO L479 AbstractCegarLoop]: Abstraction has 9643 states and 12598 transitions. [2020-10-12 21:07:50,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:07:50,739 INFO L276 IsEmpty]: Start isEmpty. Operand 9643 states and 12598 transitions. [2020-10-12 21:07:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:07:50,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:50,745 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:50,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:07:50,745 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:50,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1279292344, now seen corresponding path program 1 times [2020-10-12 21:07:50,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:50,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510389203] [2020-10-12 21:07:50,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:50,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:50,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:51,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:51,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:51,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:54,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:07:55,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 21:07:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:07:55,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:07:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:55,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:55,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:55,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:55,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:07:55,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:55,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:55,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:55,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:55,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:55,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:55,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:07:55,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:55,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:55,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:55,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:07:55,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,103 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-10-12 21:07:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:07:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:56,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:07:56,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:56,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:07:56,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:07:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:56,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:07:56,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:07:56,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:07:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:07:56,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:07:56,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:07:56,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:07:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:56,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:56,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:56,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:07:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:07:56,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:07:56,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 21:07:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:07:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:07:56,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:56,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:07:56,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:07:56,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:07:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:07:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:07:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:07:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:56,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:07:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:07:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:07:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:07:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:07:56,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:07:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:56,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:56,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:07:56,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:56,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:07:56,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:07:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:07:56,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:07:56,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-12 21:07:56,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510389203] [2020-10-12 21:07:56,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:07:56,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:07:56,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112361301] [2020-10-12 21:07:56,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:07:56,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:07:56,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:07:56,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:07:56,361 INFO L87 Difference]: Start difference. First operand 9643 states and 12598 transitions. Second operand 11 states. [2020-10-12 21:07:56,488 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:07:58,639 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 21:08:02,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:02,552 INFO L93 Difference]: Finished difference Result 23503 states and 31226 transitions. [2020-10-12 21:08:02,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:08:02,552 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 267 [2020-10-12 21:08:02,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:02,590 INFO L225 Difference]: With dead ends: 23503 [2020-10-12 21:08:02,590 INFO L226 Difference]: Without dead ends: 13885 [2020-10-12 21:08:02,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-10-12 21:08:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13885 states. [2020-10-12 21:08:04,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13885 to 10631. [2020-10-12 21:08:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10631 states. [2020-10-12 21:08:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10631 states to 10631 states and 13670 transitions. [2020-10-12 21:08:04,216 INFO L78 Accepts]: Start accepts. Automaton has 10631 states and 13670 transitions. Word has length 267 [2020-10-12 21:08:04,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:04,216 INFO L479 AbstractCegarLoop]: Abstraction has 10631 states and 13670 transitions. [2020-10-12 21:08:04,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:08:04,216 INFO L276 IsEmpty]: Start isEmpty. Operand 10631 states and 13670 transitions. [2020-10-12 21:08:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:08:04,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:04,222 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:04,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:08:04,222 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:04,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:04,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1798782261, now seen corresponding path program 1 times [2020-10-12 21:08:04,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:04,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009484662] [2020-10-12 21:08:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:04,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:04,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:05,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:08,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:08,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:08:09,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:08:09,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:08:09,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:09,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 21:08:09,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,380 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:08:09,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:09,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:09,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:09,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:09,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:09,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:08:09,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:09,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:08:09,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:08:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:08:09,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:09,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:08:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:08:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:08:09,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:09,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:08:09,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:08:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:08:09,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:09,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:08:09,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:08:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:09,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:09,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:08:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:08:09,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:09,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 21:08:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:08:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:08:09,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:09,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:08:09,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:09,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:08:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:09,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-12 21:08:09,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009484662] [2020-10-12 21:08:09,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:09,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:08:09,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639977145] [2020-10-12 21:08:09,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:08:09,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:09,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:08:09,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:08:09,741 INFO L87 Difference]: Start difference. First operand 10631 states and 13670 transitions. Second operand 10 states. [2020-10-12 21:08:09,871 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:08:14,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:14,497 INFO L93 Difference]: Finished difference Result 24419 states and 31882 transitions. [2020-10-12 21:08:14,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 21:08:14,498 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 267 [2020-10-12 21:08:14,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:14,537 INFO L225 Difference]: With dead ends: 24419 [2020-10-12 21:08:14,538 INFO L226 Difference]: Without dead ends: 13813 [2020-10-12 21:08:14,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-12 21:08:14,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13813 states. [2020-10-12 21:08:15,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13813 to 10631. [2020-10-12 21:08:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10631 states. [2020-10-12 21:08:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10631 states to 10631 states and 13628 transitions. [2020-10-12 21:08:15,911 INFO L78 Accepts]: Start accepts. Automaton has 10631 states and 13628 transitions. Word has length 267 [2020-10-12 21:08:15,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:15,912 INFO L479 AbstractCegarLoop]: Abstraction has 10631 states and 13628 transitions. [2020-10-12 21:08:15,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:08:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 10631 states and 13628 transitions. [2020-10-12 21:08:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:08:15,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:15,918 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:15,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 21:08:15,918 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:15,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1805240971, now seen corresponding path program 1 times [2020-10-12 21:08:15,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:15,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980395863] [2020-10-12 21:08:15,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:15,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:15,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:16,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:17,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:20,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:08:20,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:08:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:08:20,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:20,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:20,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:20,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 21:08:20,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,075 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:08:21,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:21,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:21,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:21,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:21,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:21,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:21,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:21,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:21,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:21,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:08:21,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:21,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:21,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:08:21,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:08:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:08:21,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:21,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:08:21,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:08:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:08:21,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:21,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-12 21:08:21,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:08:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:08:21,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:21,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:08:21,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:08:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:21,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:21,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:08:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:08:21,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:08:21,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 21:08:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:08:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:08:21,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:21,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:08:21,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:21,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:21,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:21,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:08:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:21,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:21,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:21,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:21,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:21,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:21,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:21,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-12 21:08:21,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980395863] [2020-10-12 21:08:21,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:21,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:08:21,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867002007] [2020-10-12 21:08:21,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:08:21,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:21,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:08:21,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:08:21,448 INFO L87 Difference]: Start difference. First operand 10631 states and 13628 transitions. Second operand 10 states. [2020-10-12 21:08:21,589 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:08:27,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:27,288 INFO L93 Difference]: Finished difference Result 25993 states and 34787 transitions. [2020-10-12 21:08:27,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:08:27,288 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 267 [2020-10-12 21:08:27,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:27,330 INFO L225 Difference]: With dead ends: 25993 [2020-10-12 21:08:27,330 INFO L226 Difference]: Without dead ends: 15387 [2020-10-12 21:08:27,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:08:27,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15387 states. [2020-10-12 21:08:28,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15387 to 11925. [2020-10-12 21:08:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11925 states. [2020-10-12 21:08:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11925 states to 11925 states and 15242 transitions. [2020-10-12 21:08:28,635 INFO L78 Accepts]: Start accepts. Automaton has 11925 states and 15242 transitions. Word has length 267 [2020-10-12 21:08:28,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:28,636 INFO L479 AbstractCegarLoop]: Abstraction has 11925 states and 15242 transitions. [2020-10-12 21:08:28,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:08:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 11925 states and 15242 transitions. [2020-10-12 21:08:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-12 21:08:28,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:28,641 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:28,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 21:08:28,641 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:28,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:28,641 INFO L82 PathProgramCache]: Analyzing trace with hash -271695629, now seen corresponding path program 1 times [2020-10-12 21:08:28,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:28,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329207467] [2020-10-12 21:08:28,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:28,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:28,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:29,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:31,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:33,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:33,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-10-12 21:08:33,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:08:33,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:08:33,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:33,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:08:33,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:33,799 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 21:08:33,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:33,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:33,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:33,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:33,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:33,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:33,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:33,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:33,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:33,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:33,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:33,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:33,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:33,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:33,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:33,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:33,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:33,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:33,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:33,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:33,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:33,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:33,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:33,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:08:33,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:33,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:33,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:08:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:33,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:08:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:33,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:33,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:33,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:08:33,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:33,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:08:33,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:08:33,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:33,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 21:08:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:33,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:33,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:33,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:33,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:08:33,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:08:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 21:08:33,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:08:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:34,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:34,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:34,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:34,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 21:08:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 21:08:34,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:34,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 21:08:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 21:08:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:34,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:08:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:08:34,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:08:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 21:08:34,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-12 21:08:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:08:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 21:08:34,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:08:34,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-12 21:08:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:34,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-12 21:08:34,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:08:34,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:34,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:08:34,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:34,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:34,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:34,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:34,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:34,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:34,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:08:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:34,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:34,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:34,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:34,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:34,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:08:34,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:34,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:34,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-12 21:08:34,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329207467] [2020-10-12 21:08:34,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:34,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:08:34,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286915555] [2020-10-12 21:08:34,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:08:34,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:34,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:08:34,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:08:34,472 INFO L87 Difference]: Start difference. First operand 11925 states and 15242 transitions. Second operand 14 states. [2020-10-12 21:08:34,613 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-12 21:08:35,882 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-12 21:08:36,032 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 21:08:36,255 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-12 21:08:36,461 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 132